Johnson Controls International announced it has completed the sale of its Residential and Light Commercial HVAC business to the Bosch Group. The transaction, which is valued at $8.1 billion, includes the North America ducted business as well as the global residential joint venture with Hitachi, Ltd. Read more
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A federal appeals court on Friday rejected challenges by refrigerant manufacturers to a rule adopted during President Joe Biden's administration to curtail the use of a potent climate-warming gas used in refrigerators and air conditioners. A three-judge panel of the U.S. Court of Appeals for the District of Columbia Circuit rejected arguments that the U.S. Environmental Protection Agency's (EPA) rule governing hydrofluorocarbons was invalid and that the agency unconstitutionally exercised legislative power by adopting it. Read more
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Researchers at the University of the Basque Country have explored how a combination of photovoltaic energy and heat pumps could be used to carry out the energy retrofitting of social rental housing. The research group explored the potential of hybrid systems comprising photovoltaic technology and heat pumps in 128 public rental buildings and established priorities for retrofitting the buildings. Read more
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Odor, stuffiness and dust guide people’s real-time decisions on whether to return to an office, school, store or gym, according to indoor air quality company GPS Air’s survey of 1,000 U.S. adults, conducted in May. Nearly half of respondents were more likely to think about indoor air quality when the air smelled strange or stale, outweighing cues such as coughing or sneezing (28%), or personal allergic reactions (13%). Read more
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Join ASHRAE Journal Editor Drew Champlin as he interviews Max Sherman, Ph.D., Fellow/Life Member ASHRAE, about his award-winning article "IAQ Paradigms—The Next Generation.” The conversation delves into the evolution of IAQ paradigms from ancient ventilation practices to modern standards, the role of ASHRAE in setting these standards, and the current paradigm shift focused on controlling infectious aerosols.
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Feature of the Week
By Chris Jester and Caleb Deck, P.E.
Dust collecting is the process of collecting potentially dangerous dust from an area and storing it to be disposed of later. This could range from a high school woodshop to an industrial metal fabrication plant. It is not just wood dust that you could be collecting, either. It could be aluminum dust, cotton dust or soap dust. (Yes, even soap can be flammable.) Proper measures must therefore be taken in the design of the collection system. Download here
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ASHRAE has announced the recipients of 40 Society scholarships, totaling $218,500, for the 2025-26 academic year. “Supporting the next generation of engineers is one of the most impactful ways ASHRAE can help build a more sustainable future,” said 2025-26 ASHRAE President Bill McQuade. “These scholarships recognize academic excellence and a commitment to the advancement of the built environment. We are proud to invest in the students who will lead the transformation of our industry." Read more
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The White House has unveiled its new AI action plan to make the United States a global leader in the technology. President Donald Trump's administration is cutting back AI regulation, making U.S. laws more friendly to Silicon Valley. The plan includes: exporting American AI, promoting rapid buildout of data centers, enabling innovation and adoption, and upholding free speech in frontier models. Read more
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